"""
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
"""

from abc import abstractmethod
from dataclasses import dataclass, field

from dataclasses_json import config

from gravitino.api.fileset_change import FilesetChange
from gravitino.rest.rest_message import RESTRequest


@dataclass
class FilesetUpdateRequestBase(RESTRequest):
    _type: str = field(metadata=config(field_name="@type"))

    def __init__(self, action_type: str):
        self._type = action_type

    @abstractmethod
    def fileset_change(self):
        pass


class FilesetUpdateRequest:
    """Request to update a fileset."""

    @dataclass
    class RenameFilesetRequest(FilesetUpdateRequestBase):
        """The fileset update request for renaming a fileset."""

        _new_name: str = field(metadata=config(field_name="newName"))
        """The new name for the Fileset."""

        def __init__(self, new_name: str):
            super().__init__("rename")
            self._new_name = new_name

        def validate(self):
            """Validates the fields of the request.

            Raises:
                IllegalArgumentException if the new name is not set.
            """
            if not self._new_name:
                raise ValueError('"new_name" field is required and cannot be empty')

        def fileset_change(self):
            """Returns the fileset change.

            Returns:
                the fileset change.
            """
            return FilesetChange.rename(self._new_name)

    @dataclass
    class UpdateFilesetCommentRequest(FilesetUpdateRequestBase):
        """Represents a request to update the comment on a Fileset."""

        _new_comment: str = field(metadata=config(field_name="newComment"))
        """The new comment for the Fileset."""

        def __init__(self, new_comment: str):
            super().__init__("updateComment")
            self._new_comment = new_comment

        def validate(self):
            """Validates the fields of the request.

            Raises:
                IllegalArgumentException if the new comment is not set.
            """
            if not self._new_comment:
                raise ValueError('"new_comment" field is required and cannot be empty')

        def fileset_change(self):
            """Returns the fileset change"""
            return FilesetChange.update_comment(self._new_comment)

    @dataclass
    class SetFilesetPropertyRequest(FilesetUpdateRequestBase):
        """Represents a request to set a property on a Fileset."""

        _property: str = field(metadata=config(field_name="property"))
        """The property to set."""

        _value: str = field(metadata=config(field_name="value"))
        """The value of the property."""

        def __init__(self, fileset_property: str, value: str):
            super().__init__("setProperty")
            self._property = fileset_property
            self._value = value

        def validate(self):
            """Validates the fields of the request.

            Raises:
                 IllegalArgumentException if fileset_property or value are not set.
            """
            if not self._property:
                raise ValueError(
                    '"fileset_property" field is required and cannot be empty'
                )
            if not self._value:
                raise ValueError('"value" field is required and cannot be empty')

        def fileset_change(self):
            return FilesetChange.set_property(self._property, self._value)

    @dataclass
    class RemoveFilesetPropertyRequest(FilesetUpdateRequestBase):
        """Represents a request to remove a property from a Fileset."""

        _property: str = field(metadata=config(field_name="property"))
        """The property to remove."""

        def __init__(self, fileset_property: str):
            super().__init__("removeProperty")
            self._property = fileset_property

        def validate(self):
            """Validates the fields of the request.

            Raises:
                 IllegalArgumentException if fileset_property is not set.
            """
            if not self._property:
                raise ValueError(
                    '"fileset_property" field is required and cannot be empty'
                )

        def fileset_change(self):
            return FilesetChange.remove_property(self._property)

    @dataclass
    class RemoveFilesetCommentRequest(FilesetUpdateRequestBase):
        """Represents a request to remove comment from a Fileset."""

        def __init__(self):
            super().__init__("removeComment")

        def validate(self):
            """Validates the fields of the request.

            always pass
            """
            pass

        def fileset_change(self):
            return FilesetChange.remove_comment()
